CYCLOSTOMUS $. 1. 193 
Cyclostoma  Deshayesianum | Petit in Revue zool. 1844. p. 3. *) 
-— — Petit in. Guér. Mag. 1844. t. 98. 
— — Chem» ed. IL; N. 192. p. 125.5 £: 2571 f. 
8—10. (Ex-Guér.) 
— — Som. 'Thes. Suppl. N. 191. p. 164 *, t. 31 B. 
f. 326. 397. **) 
— gratum | Fer. teste Jay. 
Tropidophora Deshayesiana  Pfr. in Zeitschr. f. Mal. 1847. p. 106. 
— Cuvieriana var. Gray Catal. Cycloph. p. 38. 
Cyclostomus Deshayesianus Pfr. Consp. N. 279. 
Habitat in parte septentrionali insulae Madagascar. 
6. €. Abeillei Grateloup. 1 319 
- T. orbiculato-subtrochiformi, umbilicata, 5-carinata, trans- 
«ersim sulcata, albida, fasciis obscuris maculisve luteolis de- 
picta; umbilico profundo; spira brevi, acuta; anfr. 5; apertura 
subrotunda; labiis acutis subreflexis. —  Operc.? — Alt. 
16—17, diam. 20 mill. (Gr.) 
Cyclostoma Abeillei Grat. in. Act. Soc, Linn. Bord. XI. p. 437. t. 3. f. 6. 
Tropidophora 4beillei Pfr. in Zeitschr. f. Mal. 1847. p. 106. 
-— — Gray Catal. Cycloph. p. 42. N. 19. 
Cyclostomus Abeillei Pfr. Consp. N. 280. 
Habitat in. insula. Madagascar. 
7. €. modestus Petit. 320 
T. late umbilicata, depressa, solidula, striatula, spiraliter 
multilirata, subtricarinata, fusculo-albida; spira plana; anfr. 4 
depressi, sutura canaliculata juncti, ultimus basi convexus; 
apertura obliqua, angulato-ovalis; perist. album, marginibus 
*) T. orbieulato-convexa, .carinata, roseo-aurantia; anfr. 5 convexo- 
depressis, carinis sublamellosis et decurrentibus sculptis; ultimo anfractu 
antice gradatim inclinato et subtus striis regularibus ereberrimisque pulchre 
ornato; sutura anguste canaliculata; perist. albo, crasso, externe carina 
lamellosa cireumdato; umbilico largo, profundo, spirali. — Lat. 25, alt. 17 
mill. (Petit l. c.) 
**) T. suborbiculari, depressa, subdiscoidea, spiraliter lirata, fulvescente; 
spira brevissima, obtusa; anfr. 4 rotundatis, spiraliter liratis, postice plerum- 
que liris acutis, lineis incrementi decussatis, antice striatis, striis plus mi- 
nusve validis; sutura subdistincta; apertura circulari, intus aurantiaca, peri- 
tremate duplici, interno albo, incrassato, ad ultimum anfraetum interrupto, 
externo lamellari, extenso, latiusculo; umbilieo maximo, intus spiraliter 
striato. (Sow. l. c.) 
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